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A. Sulli / Tectonophysics 324 (2000) 321–336 329

Fig. 9. Line drawing of the deep seismic profile (CROP) where crustal geometries and relationships between the Kabilian–Calabrian
and the Apenninic–Maghrebian units are shown. B, crystalline basement. LC, top of lower crust. M, Moho discontinuity.

rock bodies pertaining to the Apenninic– indicates that the continental crust of this sector is
Maghrebian chain (Figs. 9 and 10). The superposit- also thinned (Fig. 9). In turn the crystalline wedge
ion of the crystalline basement on the Apenninic– is overlain by duplexes with seismic characteristics
Maghrebian units (platform carbonate thrusts) is of pelagic successions that form an embricate fan
shown in Fig. 10. The layering of the lower crust with locally complex geometries (Fig. 10). The

Fig. 10. The seismic section shows, from the top, some thin layered (basinal ) thrust wedges forming a multiduplex structure (Tb)
with its roof complex (CT ). It overlies thick crystalline thrust sheets ( KT ) overthrusting in turn platform imbricates ( Tp). Key: PP,
Plio-Pleistocene deposits; CT, terrigenous deposits; Tb, top of the basinal carbonates; Tp, top of the platform carbonates; KT,
crystalline units.